Water pump
â–¶ How to fix
Check the water pump. Measurement points 3 and 6 in the connector to the auxiliary heater control unit. Resistance: Approx. 4 Ohm Check the cable harness.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Impermissable voltage level in the water pump circuit.
Possible cause
Short circuit in the water pump circuit or overloaded water pump.